{"product_id":"nd1a21mb-in-out-shared-port-bidirectional-5v-ups-mini-board-3-7v-4-2v-lithium-battery-charge-discharge-for-arduino-esp32-pi-esp8266-mcu","title":"ND1A21MB In-Out Shared Port Bidirectional 5V UPS Mini Board 3.7V 4.2V Lithium Battery Charge Discharge for Arduino ESP32 PI ESP8266 MCU","description":"\u003cdiv style=\"font-size:0px;overflow:hidden\"\u003e \u003cdiv style=\"color:rgb(0, 0, 0)\"\u003e\u003cdiv style=\"font-size:14pt;color:rgb(255, 0, 0)\"\u003e\u003cdiv style=\"font-size:medium;color:rgb(0, 0, 0)\"\u003e\u003cdiv style=\"font-size:19px\"\u003e\n\u003cdiv style=\"font-size:19px;color:rgb(0, 0, 0)\"\u003e\u003cspan style=\"font-size:20px;\"\u003e\u003cspan style=\"font-family:times new roman,times,serif;\"\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003eND1A21MB is a mini unidirectional UPS power module designed and produced by eletechsup. Its charging port and discharge port use the same port. It is used to power loads within 5V 1A in emergencies.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eDescription:\u003cbr\u003eBidirectional 5V 1.2A Charge and Discharger(Boost) UPS modules\u003cbr\u003e\u003cbr\u003ePower supply : DC 5V,\u0026gt;=2A\u003cbr\u003eCharging current : Max 1.2A\u003cbr\u003eFull charge voltage : 4.17-4.25V\u003cbr\u003eDischarge voltage: 4.95-5.1V\u003cbr\u003eDischarge current: 1.2A\u003cbr\u003eOperating ambient temperature : -40° to +85°\u003cbr\u003eStorage temperature : -55° to +150°\u003cbr\u003eSmall Size: 20.5*6*4MM\u003cbr\u003eLight Weight :\u0026lt;0.6g\u003cbr\u003e\u003c!--0--\u003e\u003c!--0--\u003e\u003c!--0--\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eNote:\u003cbr\u003e1 After the main power fails, it takes 1.5 seconds to switch to battery power. If you mind, it is recommended to use ND1A05MA\u003cbr\u003e2 This version does not have a charge and discharge indicator light\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e5V\/1.2A Bi-Directional Charger \u0026amp; Boost\u003cbr\u003e80μA No load Iq\u003cbr\u003eUp to 95% Efficiency during Boosting\u003cbr\u003eAutomatic Mode Switching\u003cbr\u003eShort circuit protection\u003cbr\u003eOverheat protection\u003cbr\u003eShort circuit protection\u003cbr\u003eOverheat protection\u003cbr\u003eAutomatic charging\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003eTips:\u003cbr\u003eThe module has a simple charge and discharge protection function.\u003cbr\u003eYou can use batteries without a protective plate or with a protective plate.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eApplications:\u003cbr\u003efor Arduino UNO MEGA2560 Uninterrupted Power Supply\u003cbr\u003eBattery powered equipment\u003cbr\u003eLithium Battery 18650 14500\u003cbr\u003eUPS power supply equipment diy\u003cbr\u003eSTM32 FPGA\/CPLD PIC AVR Board\u003cbr\u003eElectronic diy kit\u003cbr\u003eWifi Module ESP8266 ESP32\u003cbr\u003eBluetooth-Compatible Module:HC-05 HC-06 SPP-C\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 205)\"\u003ePin Description:\u003cbr\u003eV+ :Charging and discharging common port+(5V)\u003cbr\u003eV- :Charging and discharging common port-(5V)\u003cbr\u003eB+:Battery +(4.20V)\u003cbr\u003eB-:Battery -(4.20V)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eWorking principle:\u003cbr\u003e1 When powered on, the power supply charges the battery and supplies power to the load at the same time\u003cbr\u003e2 When the battery is fully charged, charging stops and the power supply continues to supply power to the load\u003cbr\u003e3 When the power supply is disconnected, about 1.5 seconds, the battery discharges to the load through the module\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se918bb7ebb894b44a25e7eb8c9cd9516j.jpg\"\u003e\u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S58de152015494e37ab6e93cfd90357e4S.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003eSpecial note on discharge: When discharging, if the measured load voltage is less than 4.9V, it may be caused by too much voltage division of the wire.\u003cbr\u003eAt this time, please directly measure the output port of the module, and you will find that its output voltage is still greater than 4.9V.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e \u003cdiv style=\"font-size:19px;color:rgb(0, 0, 0)\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cp\u003e \u003c\/p\u003e","brand":"Eletechsup Factory store ","offers":[{"title":"Khaki","offer_id":46474197172381,"sku":"ND1A21MB","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/S9c1c8685f3fb44c39f7924183af7177fI_18cab82d-7b78-47cf-bf18-5092be2e0abd.webp?v=1738857822","url":"https:\/\/eletechsup.com\/es\/products\/nd1a21mb-in-out-shared-port-bidirectional-5v-ups-mini-board-3-7v-4-2v-lithium-battery-charge-discharge-for-arduino-esp32-pi-esp8266-mcu","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}